40358842169 has 4 divisors (see below), whose sum is σ = 40361490000. Its totient is φ = 40356194340.

The previous prime is 40358842109. The next prime is 40358842171. The reversal of 40358842169 is 96124885304.

40358842169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40358842169 is a prime.

It is a super-2 number, since 2×40358842169² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40358842109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300919 + ... + 1331580.

It is an arithmetic number, because the mean of its divisors is an integer number (10090372500).

Almost surely, 2^40358842169 is an apocalyptic number.

It is an amenable number.

40358842169 is a deficient number, since it is larger than the sum of its proper divisors (2647831).

40358842169 is a wasteful number, since it uses less digits than its factorization.

40358842169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647830.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 40358842169 in words is "forty billion, three hundred fifty-eight million, eight hundred forty-two thousand, one hundred sixty-nine".